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    • 6. 发明授权
    • Electronic timepiece with an electrochromic display
    • 具有电致变色显示的电子钟表
    • US4148015A
    • 1979-04-03
    • US733491
    • 1976-10-18
    • Fukuo SekiyaHeihachiro EbiharaKatsuo Nishimura
    • Fukuo SekiyaHeihachiro EbiharaKatsuo Nishimura
    • G02F1/163G04G9/00G09G3/16G09F9/32
    • G09G3/16G02F1/163G04G9/0047
    • A driver circuit for an electrochromic display device for an electronic timepiece. In a first preferred embodiment, drive signals are applied through a plurality of source follower first and second metal oxide semiconductor field effect transistors to segment electrodes of the electrochromic display device. The first and second transistors have source electrodes connected together and also connected to the segment electrode to lower the voltage being applied across the segment electrode and a common electrode to drive the display device at a lower voltage. In a second preferred embodiment, the common electrode of the display device is alternately coupled to the high and low potentials of the battery by means of an inverter circuit composed of source follower transistors, which function to reduce the voltage being applied across the segment electrodes and the common electrode.
    • 一种用于电子时计的电致变色显示装置的驱动电路。 在第一优选实施例中,通过多个源极跟随器第一和第二金属氧化物半导体场效应晶体管施加驱动信号以分割电致变色显示装置的电极。 第一和第二晶体管具有连接在一起的源电极,并且还连接到段电极以降低施加在段电极上的电压和公共电极,以在较低的电压下驱动显示器件。 在第二优选实施例中,显示装置的公共电极通过由源极跟随器晶体管组成的反相器电路交替地耦合到电池的高电位和低电位,该源极跟随器晶体管的作用是减小跨越段电极施加的电压, 公共电极。